The SRAM DUB bottom bracket series has a simple job— to connect crankarms and protect the smooth long-lasting application of power to the drivetrain. SRAM engineered the oversized DUB spindle to work across every bottom bracket standard simplifying crankarm compatibility.

Designed for use with SRAM SuperBoost+ Cranksets

Gutter Seal Technology™ drastically improves sealing against the elements

Sealed cartridge bearings

One oversized spindle to work across every bottom bracket standard

Bottom Bracket Shell I.D.	1.37
BB/Frame Interface	English
BB Shell Width (mm)	73
Spindle Interface Type	SRAM DUB
Defined Color	Black